mb/intel/adlrvp: Configure GPIOs for Alder Lake-N

List of changes:
1. Add separate file for ADL-N GPIOs
2. Configure GPIOs as per the schematics of ADL-N RVP

Signed-off-by: Usha P <usha.p@intel.com>
Change-Id: I0c0ca52d0cc73acfd8503007d5f3d2ad9a48f8ca
Reviewed-on: https://review.coreboot.org/c/coreboot/+/59937
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>

3 files changed, 250 insertions, 0 deletions

diff --git a/src/mainboard/intel/adlrvp/Makefile.inc b/src/mainboard/intel/adlrvp/Makefile.inc
index 04c16455e8..0b658e5caa 100644
--- a/src/mainboard/intel/adlrvp/Makefile.inc
+++ b/src/mainboard/intel/adlrvp/Makefile.inc
@@ -7,6 +7,9 @@ bootblock-$(CONFIG_CHROMEOS) += chromeos.c
 ifeq ($(CONFIG_SOC_INTEL_ALDERLAKE_PCH_M),y)
 bootblock-y += early_gpio_m.c
 ramstage-y += gpio_m.c
+else ifeq ($(CONFIG_SOC_INTEL_ALDERLAKE_PCH_N),y)
+bootblock-y += early_gpio_n.c
+ramstage-y += gpio_n.c
 else
 bootblock-y += early_gpio.c
 ramstage-y += gpio.c
diff --git a/src/mainboard/intel/adlrvp/early_gpio_n.c b/src/mainboard/intel/adlrvp/early_gpio_n.c
new file mode 100644
index 0000000000..3eb1ceae52
--- /dev/null
+++ b/src/mainboard/intel/adlrvp/early_gpio_n.c
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <soc/gpio.h>
+
+/* Early pad configuration in bootblock */
+static const struct pad_config early_gpio_table[] = {
+	/* WWAN_RST# */
+	PAD_CFG_GPO(GPP_F14, 0, PLTRST),
+	/* WWAN_PWR_EN */
+	PAD_CFG_GPO(GPP_D17, 1, DEEP),
+	/* EC_IN_RW */
+	PAD_CFG_GPI(GPP_E7, NONE, DEEP),
+};
+
+static const struct pad_config early_uart_gpio_table[] = {
+	/* UART0 RX */
+	PAD_CFG_NF(GPP_H10, NONE, DEEP, NF2),
+	/* UART0 TX */
+	PAD_CFG_NF(GPP_H11, NONE, DEEP, NF2),
+};
+
+void variant_configure_early_gpio_pads(void)
+{
+	if (CONFIG(INTEL_LPSS_UART_FOR_CONSOLE))
+		gpio_configure_pads(early_uart_gpio_table, ARRAY_SIZE(early_uart_gpio_table));
+
+	gpio_configure_pads(early_gpio_table, ARRAY_SIZE(early_gpio_table));
+}
diff --git a/src/mainboard/intel/adlrvp/gpio_n.c b/src/mainboard/intel/adlrvp/gpio_n.c
new file mode 100644
index 0000000000..8e395e5f21
--- /dev/null
+++ b/src/mainboard/intel/adlrvp/gpio_n.c
@@ -0,0 +1,217 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+
+#include <baseboard/gpio.h>
+#include <baseboard/variants.h>
+#include <commonlib/helpers.h>
+
+/* Pad configuration in ramstage*/
+static const struct pad_config gpio_table[] = {
+	/* ESPI_IO0_EC_R / ESPI_IO0_HDR */
+	PAD_CFG_NF(GPP_A0, NONE, DEEP, NF1),
+	/* ESPI_IO1_EC_R / ESPI_IO1_HDR */
+	PAD_CFG_NF(GPP_A1, NONE, DEEP, NF1),
+	/* ESPI_IO2_EC_R / ESPI_IO2_HDR */
+	PAD_CFG_NF(GPP_A2, NONE, DEEP, NF1),
+	/* ESPI_IO3_EC_R / ESPI_IO3_HDR */
+	PAD_CFG_NF(GPP_A3, NONE, DEEP, NF1),
+	/* ESPI_CS0_EC_R_N / ESPI_CS0_HDR_N */
+	PAD_CFG_NF(GPP_A4, NONE, DEEP, NF1),
+	/* ESPI_ALERT0_EC_R_N / ESPI_ALERT0_HDR_N */
+	PAD_CFG_NF(GPP_A5, NONE, DEEP, NF1),
+	/* ESPI_CLK_EC_R / ESPI_CLK_HDR */
+	PAD_CFG_NF(GPP_A9, NONE, DEEP, NF1),
+	/* ESPI_RST_EC_R_N / ESPI_RST_HDR_N */
+	PAD_CFG_NF(GPP_A10, NONE, DEEP, NF1),
+
+	/* EC_SLP_S0_CS_N */
+	PAD_CFG_GPO(GPP_E4, 1, PLTRST),
+
+	/* GPPC_E7_EC_SMI_N */
+	PAD_CFG_GPI_SMI(GPP_E7, NONE, PLTRST, EDGE_SINGLE, INVERT),
+
+	/* H15 : DDPB_CTRLCLK ==> DDIB_HDMI_CTRLCLK */
+	PAD_CFG_NF(GPP_H15, NONE, DEEP, NF1),
+	/* H17 : DDPB_CTRLDATA ==> DDIB_HDMI_CTRLDATA */
+	PAD_CFG_NF(GPP_H17, NONE, DEEP, NF1),
+
+	/* M.2_SSD_PDET_R */
+	PAD_CFG_NF(GPP_A12, NONE, DEEP, NF1),
+	/* CLKREQ0_M2_SSD_N */
+	PAD_CFG_NF(GPP_D5, NONE, DEEP, NF1),
+	/* M2_PCH_SSD_PWREN */
+	PAD_CFG_GPO(GPP_D16, 1, PLTRST),
+	/* M2_SSD_RST_N */
+	PAD_CFG_GPO(GPP_H0, 1, PLTRST),
+	/* M2_SSD_DEVSLP */
+	PAD_CFG_NF(GPP_H13, NONE, DEEP, NF5),
+
+	/* TYPEA_CONN23_USB2_P8_OC1_N */
+	PAD_CFG_NF(GPP_A14, NONE, DEEP, NF1),
+	/* CRD1_PWREN */
+	PAD_CFG_GPO(GPP_B23, 1, PLTRST),
+	/* TCP1_DISP_AUX_P_BIAS_GPIO */
+	PAD_CFG_GPO(GPP_E20, 1, PLTRST),
+	/* TCP1_DISP_AUX_N_BIAS_GPIO */
+	PAD_CFG_GPO(GPP_E21, 0, PLTRST),
+	/* TCP0_DISP_AUX_P_BIAS_GPIO */
+	PAD_CFG_GPO(GPP_E22, 0, PLTRST),
+	/* TCP0_DISP_AUX_N_BIAS_GPIO */
+	PAD_CFG_GPO(GPP_E23, 1, PLTRST),
+
+	/* EDP1_HPD_MIPI_PNL_RST */
+	PAD_CFG_NF(GPP_E14, NONE, DEEP, NF1),
+
+	/* X1_SLOT_PWREN */
+	PAD_CFG_GPO(GPP_A8, 0, PLTRST),
+	/* SML0_CLK */
+	PAD_CFG_NF(GPP_C3, NONE, DEEP, NF1),
+	/* SML0_DATA */
+	PAD_CFG_NF(GPP_C4, NONE, DEEP, NF1),
+	/* CLKREQ3_X1PCIE_SLOT_N */
+	PAD_CFG_NF(GPP_D8, NONE, DEEP, NF1),
+	/* X1_PCIE_SLOT_WAKE_N */
+	PAD_CFG_GPI_IRQ_WAKE(GPP_D11, NONE, DEEP, LEVEL, INVERT),
+	/* X1_Slot_RESET */
+	PAD_CFG_GPO(GPP_F10, 1, PLTRST),
+
+	/* WWAN_PERST_N */
+	PAD_CFG_GPO(GPP_C5, 1, PLTRST),
+	/* CLKREQ1_WWAN_N */
+	PAD_CFG_NF(GPP_D6, NONE, DEEP, NF1),
+	/* GPPC_D15_M.2_WWAN_DISABLE_N */
+	PAD_CFG_GPO(GPP_D15, 1, PLTRST),
+	/* WWAN_PWREN */
+	PAD_CFG_GPO(GPP_D17, 1, PLTRST),
+	/* WWAN WAKE N */
+	PAD_CFG_GPI_IRQ_WAKE(GPP_D18, NONE, DEEP, LEVEL, INVERT), //TODO SCI
+	/* SRCCLK_OEB6 */
+	PAD_CFG_NF(GPP_E5, NONE, DEEP, NF3),
+	/* GPPC_F6_CNV_PA_BLANKING */
+	PAD_CFG_NF(GPP_F6, NONE, DEEP, NF1),
+	/* WWAN_RST# */
+	PAD_CFG_GPO(GPP_F14, 1, PLTRST),
+	/* WWAN_FCP_OFF_N */
+	PAD_CFG_GPO(GPP_F15, 1, PLTRST),
+	/* CNV_MFUART2_RXD */
+	PAD_CFG_NF(GPP_H8, NONE, DEEP, NF2),
+	/* CNV_MFUART2_RXD */
+	PAD_CFG_NF(GPP_H9, NONE, DEEP, NF2),
+
+	/* PM_SLP_S0_N */
+	PAD_CFG_NF(GPP_B12, NONE, DEEP, NF1),
+	/* PLT_RST_N */
+	PAD_CFG_NF(GPP_B13, NONE, DEEP, NF1),
+	/* PM_SLP_DRAM_N */
+	PAD_CFG_NF(GPP_E8, NONE, DEEP, NF2),
+	/* CPU_C10_GATE_N_R */
+	PAD_CFG_NF(GPP_H18, NONE, DEEP, NF1),
+
+	/* CODEC_INT_N */
+	PAD_CFG_GPI_APIC(GPP_H3, NONE, PLTRST, LEVEL, INVERT),
+	/* SNDW0_CLK_HDR */
+	PAD_CFG_NF(GPP_S0, NONE, DEEP, NF1),
+	/* SNDW0_DATA_HDR */
+	PAD_CFG_NF(GPP_S1, NONE, DEEP, NF1),
+	/* SNDW1_CLK_DMIC_CLK_A_0 */
+	PAD_CFG_NF(GPP_S2, NONE, DEEP, NF2),
+	/* SNDW1_DATA_DMIC_DATA_0 */
+	PAD_CFG_NF(GPP_S3, NONE, DEEP, NF2),
+	/* SNDW2_CLK_R */
+	PAD_CFG_NF(GPP_S4, NONE, DEEP, NF1),
+	/* SNDW2_DATA_R */
+	PAD_CFG_NF(GPP_S5, NONE, DEEP, NF1),
+	/* SOC_DMIC0_SNDW3_CLK */
+	PAD_CFG_NF(GPP_S6, NONE, DEEP, NF2),
+	/* SOC_DMIC0_SNDW3_DATA */
+	PAD_CFG_NF(GPP_S7, NONE, DEEP, NF2),
+
+	/* I2C_SCL(0) */
+	PAD_CFG_NF(GPP_H5, NONE, DEEP, NF1),
+	/* I2C_SDA(0) */
+	PAD_CFG_NF(GPP_H4, NONE, DEEP, NF1),
+
+	/* DDIB_DP_HDMI_ALS_HDP */
+	PAD_CFG_NF(GPP_A18, NONE, DEEP, NF1),
+
+	/* 8 : M.2_BTWIFI_SUS_CLK */
+	PAD_CFG_NF(GPD8, NONE, DEEP, NF1),
+	/* 9 : GPD_9_SLP_WLAN_N */
+	PAD_CFG_NF(GPD9, NONE, DEEP, NF1),
+
+	/* SRCCLK_OEB7 */
+	PAD_CFG_GPO(GPP_A7, 0, PLTRST),
+
+	/* GPIO pin for PCIE SRCCLKREQB_2 */
+	PAD_CFG_NF(GPP_D7, NONE, DEEP, NF1),
+
+	/* H2 : WLAN_RST_N */
+	PAD_CFG_GPO(GPP_H2, 1, PLTRST),
+	/* I2C_SDA(1) */
+	PAD_CFG_NF(GPP_H6, NONE, DEEP, NF1),
+	/* I2C_SCL(1) */
+	PAD_CFG_NF(GPP_H7, NONE, DEEP, NF1),
+
+	/* CAM_PRIVACY_LED */
+	PAD_CFG_GPO(GPP_B14, 1, PLTRST),
+
+	/* B16 : I2C5 SDA */
+	PAD_CFG_NF(GPP_B16, NONE, DEEP, NF2),
+	/* B17 : I2C5 SCL */
+	PAD_CFG_NF(GPP_B17, NONE, DEEP, NF2),
+
+	/* CAM_STROBE */
+	PAD_CFG_GPO(GPP_B18, 0, PLTRST),
+	/* CAM1_PWR_EN */
+	PAD_CFG_GPO(GPP_B23, 1, PLTRST),
+	/* CAM2_RST */
+	PAD_CFG_GPO(GPP_E15, 1, PLTRST),
+	/* CAM2_PWR_EN */
+	PAD_CFG_GPO(GPP_E16, 1, PLTRST),
+
+	/* IMGCLKOUT */
+	PAD_CFG_NF(GPP_D4, NONE, DEEP, NF1),
+	PAD_CFG_NF(GPP_H20, NONE, DEEP, NF1),
+	PAD_CFG_NF(GPP_H21, NONE, DEEP, NF1),
+	PAD_CFG_NF(GPP_H22, NONE, DEEP, NF1),
+
+	/* BT_RF_KILL_N */
+	PAD_CFG_GPO(GPP_A13, 1, PLTRST),
+
+	/* D13 : WIFI_WAKE_N */
+	PAD_CFG_NF(GPP_D13, NONE, DEEP, NF1),
+	/* WIFI RF KILL */
+	PAD_CFG_GPO(GPP_E3, 1, PLTRST),
+
+	/* F0 : CNV_BRI_DT_BT_UART2_RTS_N */
+	PAD_CFG_NF(GPP_F0, NONE, DEEP, NF1),
+	/* F1 : CNV_BRI_RSP_BT_UART2_RXD */
+	PAD_CFG_NF(GPP_F1, NONE, DEEP, NF1),
+	/* F2 : CNV_RGI_DT_BT_UART2_TXD */
+	PAD_CFG_NF(GPP_F2, NONE, DEEP, NF1),
+	/* F3 : CNV_RGI_RSP_BT_UART2_CTS_N */
+	PAD_CFG_NF(GPP_F3, NONE, DEEP, NF1),
+	/* F4 : CNV_RF_RESET_R_N */
+	PAD_CFG_NF(GPP_F4, NONE, DEEP, NF1),
+	/* F5 : MODEM_CLKREQ_R */
+	PAD_CFG_NF(GPP_F5, NONE, DEEP, NF2),
+	/* TCH PAD Power EN */
+	PAD_CFG_GPO(GPP_F7, 1, PLTRST),
+
+	/* UART_BT_WAKE_N */
+	PAD_CFG_GPI_IRQ_WAKE(GPP_E0, NONE, DEEP, LEVEL, INVERT),
+};
+
+void variant_configure_gpio_pads(void)
+{
+	gpio_configure_pads(gpio_table, ARRAY_SIZE(gpio_table));
+}
+
+static const struct cros_gpio cros_gpios[] = {
+	CROS_GPIO_REC_AL(CROS_GPIO_VIRTUAL, CROS_GPIO_DEVICE_NAME),
+};
+
+const struct cros_gpio *variant_cros_gpios(size_t *num)
+{
+	*num = ARRAY_SIZE(cros_gpios);
+	return cros_gpios;
+}